There have been no vCJD cases linked to consumption of U.S. beef and the risk of BSE among U.S. cattle is low.
至此已经没有不同的Creutzfeldt-Jakob疾病个案与美国牛肉的消费有联系,以及在美国牛群中感染疯牛病的危险降低了。
There have been no vCJD cases linked to consumption of U.S. beef and the risk of BSE among U.S. cattle is low.
至此已经没有不同的Creutzfeldt-Jakob疾病个案与美国牛肉的消费有联系,以及在美国牛群中感染疯牛病的危险降低了。
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